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-rw-r--r--youtube_dl/extractor/youtube.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 43051512b..17543d6f4 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1944,6 +1944,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
break
if codecs:
dct.update(parse_codecs(codecs))
+ if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
+ dct['downloader_options'] = {
+ # Youtube throttles chunks >~10M
+ 'http_chunk_size': 10485760,
+ }
formats.append(dct)
elif video_info.get('hlsvp'):
manifest_url = video_info['hlsvp'][0]